Using split-screen on Mac is excellent for productivity and it doesn't require buying, connecting, and finding room for a secondary display.

You can use Samsung's One UI to do split-screen multitasking on a Samsung Galaxy S10. Here's how to use it to display two apps side by side at once.

Master the art of multitasking by splitting your screen. We show you how to do it on any device.

Hence they do offer a dual-screen solution, but not the ideal side-by-side configuration preferred by most people, particularly those who wear variable focus glasses.